[REN-BGP-stats-all] IPv4 R&E Routing Table Report - MARWAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 27 18:00:36 UTC 2024
IPv4 R&E Routing Table Report 18:00 GMT Mon 27 May, 2024
IPv4 BGP Table (R&E) as seen at MARWAN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/MARWAN/
Analysis Summary
----------------
BGP routing table entries examined: 17376
Prefixes after maximum aggregation (per Origin AS): 9582
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 10462
Number of IPv4 prefixes with a valid ROA: 5096
Number of IPv4 prefixes with an invalid ROA: 92
Number of IPv4 prefixes with no ROA: 12188
Total ASes present in the Internet Routing Table: 2538
Prefixes per ASN: 6.85
Origin-only ASes present in the Internet Routing Table: 2195
Origin ASes announcing only one prefix: 992
Transit ASes present in the Internet Routing Table: 343
Transit-only ASes present in the Internet Routing Table: 62
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 44590
Number of 32-bit ASNs visible in the Routing Table: 600
Prefixes from 32-bit ASNs in the Routing Table: 1664
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 188704466
Equivalent to 11 /8s, 63 /16s and 102 /24s
Percentage of available address space announced: 5.1
Percentage of allocated address space announced: 5.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 2495
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3976
Total APNIC prefixes after maximum aggregation: 1905
APNIC Deaggregation factor: 2.09
Prefixes being announced from the APNIC address blocks: 3977
Unique aggregates announced from the APNIC address blocks: 2071
APNIC Region origin ASes present in the Internet Routing Table: 497
APNIC Prefixes per ASN: 8.00
APNIC Region origin ASes announcing only one prefix: 221
APNIC Region transit ASes present in the Internet Routing Table: 54
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 200
Number of APNIC addresses announced to Internet: 38373697
Equivalent to 2 /8s, 73 /16s and 137 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 7983
Total ARIN prefixes after maximum aggregation: 4511
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 7998
Unique aggregates announced from the ARIN address blocks: 4979
ARIN Region origin ASes present in the Internet Routing Table: 1228
ARIN Prefixes per ASN: 6.51
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 153
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 200
Number of ARIN addresses announced to Internet: 88786400
Equivalent to 5 /8s, 74 /16s and 197 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8,
66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8,
73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8,
99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3150
Total RIPE prefixes after maximum aggregation: 2641
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3139
Unique aggregates announced from the RIPE address blocks: 2678
RIPE Region origin ASes present in the Internet Routing Table: 594
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 271
RIPE Region transit ASes present in the Internet Routing Table: 91
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 134
Number of RIPE addresses announced to Internet: 57000592
Equivalent to 3 /8s, 101 /16s and 194 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1168
Total LACNIC prefixes after maximum aggregation: 475
LACNIC Deaggregation factor: 2.46
Prefixes being announced from the LACNIC address blocks: 1165
Unique aggregates announced from the LACNIC address blocks: 665
LACNIC Region origin ASes present in the Internet Routing Table: 129
LACNIC Prefixes per ASN: 9.03
LACNIC Region origin ASes announcing only one prefix: 53
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 54
Number of LACNIC addresses announced to Internet: 3922464
Equivalent to 0 /8s, 59 /16s and 218 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1096
Total AfriNIC prefixes after maximum aggregation: 47
AfriNIC Deaggregation factor: 23.32
Prefixes being announced from the AfriNIC address blocks: 1094
Unique aggregates announced from the AfriNIC address blocks: 67
AfriNIC Region origin ASes present in the Internet Routing Table: 26
AfriNIC Prefixes per ASN: 42.08
AfriNIC Region origin ASes announcing only one prefix: 15
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 2.1
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12
Number of AfriNIC addresses announced to Internet: 621056
Equivalent to 0 /8s, 9 /16s and 122 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 598 2159 462 SINET-AS Research Organization of Infor
7497 440 180 24 CSTNET-AS-AP Computer Network Informati
4538 190 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
9411 82 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
2697 58 4 34 ERX-ERNET-AS Education and Research Net
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 203 162 152 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 177 34 7 LACOE, US
270 162 345 88 AS270, US
2152 150 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
32440 118 35 18 LONI, US
23024 108 7 22 OCDE, US
237 87 543 51 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
786 187 1767 184 JANET Jisc Services Limited, GB
559 113 533 103 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
2200 63 598 58 FR-RENATER Reseau National de telecommu
200521 54 4 22 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 156 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 51 Red Universitaria Nacional, CL
271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 36 4 3 Universidad Autonoma Metropolitana, MX
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30983 692 4 5 MARWAN-AS, MA
36914 246 82 3 KENET-AS, KE
327700 43 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37654 14 1 8 RwEdNet-AS, RW
37182 12 8 1 TERNET, TZ
31960 5 1 1 EMUNET, MZ
328903 4 0 1 RITER, CI
328225 3 0 1 Strathmore-University, KE
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
30983 692 4 5 MARWAN-AS, MA
2907 598 2159 462 SINET-AS Research Organization of Infor
7497 440 180 24 CSTNET-AS-AP Computer Network Informati
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
36914 246 82 3 KENET-AS, KE
376 203 162 152 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
4538 190 4193 75 ERX-CERNET-BKB China Education and Rese
786 187 1767 184 JANET Jisc Services Limited, GB
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 440 416 CSTNET-AS-AP Computer Network Information Cente
36914 246 243 KENET-AS, KE
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 177 170 LACOE, US
2907 598 136 SINET-AS Research Organization of Information a
18558 140 136 NETBLK-RCOEK, US
4538 190 115 ERX-CERNET-BKB China Education and Research Net
1916 156 113 Rede Nacional de Ensino e Pesquisa, BR
55824 131 112 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65000 PRIVATE 102.216.118.0/24 30983 MARWAN-AS, MA
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.168.167.1/32 30983 MARWAN-AS, MA
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.168.167.1/32 Origin: 30983 MARWAN-AS, MA
192.168.167.1/32 Transit: 0 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:0 /12:9
/13:17 /14:34 /15:115 /16:1912 /17:379 /18:425
/19:517 /20:790 /21:746 /22:1285 /23:1334 /24:8971
/25:46 /26:50 /27:81 /28:14 /29:68 /30:7
/31:1 /32:572
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
30983 665 692 MARWAN-AS, MA
36914 233 246 KENET-AS, KE
32440 84 118 LONI, US
23024 51 108 OCDE, US
327700 38 43 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 54 SEAP-AGE, ES
25977 30 44 HCCS, US
37215 30 36 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 8:2 12:1 14:91 23:4
24:3 31:1 35:3 38:10 40:1 41:196
42:16 44:5 45:35 46:5 47:1 49:9
50:3 52:1 58:16 59:18 60:6 61:3
62:6 63:32 64:44 65:1 66:46 67:41
68:10 69:18 70:2 71:1 72:7 74:51
76:41 77:8 78:3 79:10 80:9 81:25
82:3 83:6 84:7 85:24 86:3 87:1
89:11 91:41 93:5 94:2 95:2 96:5
97:1 98:2 101:4 102:6 103:256 104:76
108:8 109:6 114:3 116:8 118:34 119:21
121:12 122:8 123:8 124:41 125:5 128:88
129:35 130:84 131:61 132:66 133:157 134:79
136:197 137:51 138:57 139:5 140:36 141:3
142:26 143:18 144:23 145:2 146:123 147:56
148:194 149:11 150:33 151:9 152:127 153:14
154:8 155:47 156:140 157:21 158:34 159:119
160:30 161:17 162:20 163:54 164:14 165:10
166:1 167:13 168:59 169:6 170:19 172:3
173:6 175:18 176:8 177:4 179:9 180:15
181:1 182:1 184:6 185:42 186:3 187:18
188:11 189:3 190:17 191:13 192:1415 193:252
194:117 195:69 196:33 197:113 198:435 199:243
200:206 201:37 202:607 203:321 204:359 205:131
206:192 207:203 208:72 209:110 210:96 211:14
212:41 213:3 216:92 217:10 218:20 219:5
220:4 222:2 223:14
End of report
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